This Mens Exact Fit RFID stretch slim front pocket wallet with removable power bank features 4 card slots, 1 pocket, and 1 ID window. The power bank has 2500 mAH battery power. 1.5 charges per phone. 100% Polyurethane. Spot clean. Dimensions: 4/5H x 4 1/3W x 3 1/7D.